Home / 132,338.80-198,465.54-43,571.17

Finding the Fourth Proportional to 132,338.80, 198,465.54 and 43,571.17

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Solution

The fourth proportional to 132,338.80, 198,465.54 and 43,571.17 is: 65,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,338.80 : 198,465.54 = 43,571.17 : x
  2. Step 2: Convert to fraction form
    132,338.80/198,465.54 = 43,571.17/x
  3. Step 3: Cross multiply
    132,338.80x = 198,465.54 × 43,571.17
  4. Step 4: Simplify right side
    132,338.80x = 8,647,375,782.48
  5. Step 5: Solve for x
    x = 8,647,375,782.48/132,338.80
  6. Step 6: Final answer
    x = 65,342.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.